At the barbecue, Mrs Holden (Deborah Graves) recites Act 4, Scene 2 from Romeo and Juliet.
When Charity (Heather Beers) and Tartan (Dan Merkley) are stuffing flyers for the barbecue in mailboxes, two names are visible on the mailboxes: Ludwig Einklang, the film's editor, and Tomasz Debowski, from the film's art department.